1 /*

     2  * Copyright (C) 2007 Kevin Ollivier <kevino@theolliviers.com>. All rights reserved.

     3  *

     4  * Redistribution and use in source and binary forms, with or without

     5  * modification, are permitted provided that the following conditions

     6  * are met:

     7  * 1. Redistributions of source code must retain the above copyright

     8  *    notice, this list of conditions and the following disclaimer.

     9  * 2. Redistributions in binary form must reproduce the above copyright

    10  *    notice, this list of conditions and the following disclaimer in the

    11  *    documentation and/or other materials provided with the distribution.

    12  *

    13  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY

    14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

    15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

    16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR

    17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

    18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

    19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

    20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY

    21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

    22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

    23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 

    24  */

    25 

    26 #include "config.h"

    27 #include "EventHandler.h"

    28 

    29 #include "ClipboardWx.h"

    30 #include "FocusController.h"

    31 #include "Frame.h"

    32 #include "FrameView.h"

    33 #include "KeyboardEvent.h"

    34 #include "MouseEventWithHitTestResults.h"

    35 #include "NotImplemented.h"

    36 #include "Page.h"

    37 #include "PlatformKeyboardEvent.h"

    38 #include "RenderWidget.h"

    39 #include "Scrollbar.h"

    40 

    41 namespace WebCore {

    42 

    43 const double EventHandler::TextDragDelay = 0.0;

    44 

    45 bool EventHandler::passMousePressEventToSubframe(MouseEventWithHitTestResults& mev, Frame* subframe)

    46 {

    47     subframe->eventHandler()->handleMousePressEvent(mev.event());

    48     return true;

    49 }

    50 

    51 bool EventHandler::passMouseMoveEventToSubframe(MouseEventWithHitTestResults& mev, Frame* subframe, WebCore::HitTestResult* hittest)

    52 {

    53     subframe->eventHandler()->handleMouseMoveEvent(mev.event(), hittest);

    54     return true;

    55 }

    56 

    57 bool EventHandler::passMouseReleaseEventToSubframe(MouseEventWithHitTestResults& mev, Frame* subframe)

    58 {

    59     subframe->eventHandler()->handleMouseReleaseEvent(mev.event());

    60     return true;

    61 }

    62 

    63 bool EventHandler::passWidgetMouseDownEventToWidget(const MouseEventWithHitTestResults& event)

    64 {

    65     // Figure out which view to send the event to.

    66     if (!event.targetNode() || !event.targetNode()->renderer() || !event.targetNode()->renderer()->isWidget())

    67         return false;

    68     

    69     return passMouseDownEventToWidget(toRenderWidget(event.targetNode()->renderer())->widget());

    70 }

    71 

    72 bool EventHandler::passWidgetMouseDownEventToWidget(RenderWidget* renderWidget)

    73 {

    74     return passMouseDownEventToWidget(renderWidget->widget());

    75 }

    76 

    77 bool EventHandler::passWheelEventToWidget(PlatformWheelEvent& event, Widget* widget)

    78 {

    79     if (!widget || !widget->isFrameView())

    80         return false;

    81 

    82     return static_cast<FrameView*>(widget)->frame()->eventHandler()->handleWheelEvent(event);

    83 }

    84 

    85 bool EventHandler::tabsToAllControls(KeyboardEvent* event) const 

    86 { 

    87     notImplemented(); 

    88     return false; 

    89 }

    90 

    91 bool EventHandler::passSubframeEventToSubframe(MouseEventWithHitTestResults&, Frame* subframe, HitTestResult*)

    92 {

    93     notImplemented(); 

    94     return false; 

    95 }

    96 

    97 bool EventHandler::passMouseDownEventToWidget(Widget*)

    98 { 

    99     notImplemented();

   100     return false; 

   101 }

   102 

   103 void EventHandler::focusDocumentView()

   104 {

   105     if (Page* page = m_frame->page())

   106         page->focusController()->setFocusedFrame(m_frame);

   107 }

   108 

   109 bool EventHandler::eventActivatedView(const PlatformMouseEvent&) const

   110 {

   111     // wx sends activate events separate from mouse events. 

   112     // We'll have to test the exact order of events, 

   113     // but for the moment just return false.

   114     return false;

   115 }

   116 

   117 PassRefPtr<Clipboard> EventHandler::createDraggingClipboard() const 

   118 {

   119     return ClipboardWx::create(ClipboardWritable, true);

   120 }

   121 

   122 unsigned EventHandler::accessKeyModifiers()

   123 {

   124     return PlatformKeyboardEvent::AltKey;

   125 }

   126 

   127 }